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Compact 1-Inch Air Admittance Valve
Compact 1-Inch Air Admittance Valve
Small air admittance valve with a 1-inch union connection, designed for use at suitable waste pipe connections. Its compact construction is suitable for installations where available space is limited.
Technical specifications
| HL article | HL902 |
|---|---|
| Application | Air admission for soil and waste drainage systems |
| Installation | Surface mounted |
| Material | Polypropylene (PP) |
| Connection | 1-inch union connection |
| Air admission capacity | Not stated in the HL technical data table |
| Installation height | 44 mm |
| Product weight | 30 g |
| Standard / reference | EN 12380 |
| Features | Compact valve body; 1-inch union connection |
| Manufacturer | HL Hutterer & Lechner, Austria |
Models and official HL technical drawings
| Article code | Connection | HL specification and drawing |
|---|---|---|
| HL902 | 1-inch union connection | Official HL product page | Technical drawing (PDF) |
Refer to the linked HL product pages for model-specific dimensions, rated flow capacities, and PDF technical drawings.
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